Home / 704,854,278.33-972,641,961.75-407,515,685.10

Finding the Fourth Proportional to 704,854,278.33, 972,641,961.75 and 407,515,685.10

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Solution

The fourth proportional to 704,854,278.33, 972,641,961.75 and 407,515,685.10 is: 562,338,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,854,278.33 : 972,641,961.75 = 407,515,685.10 : x
  2. Step 2: Convert to fraction form
    704,854,278.33/972,641,961.75 = 407,515,685.10/x
  3. Step 3: Cross multiply
    704,854,278.33x = 972,641,961.75 × 407,515,685.10
  4. Step 4: Simplify right side
    704,854,278.33x = 396,366,855,399,559,296
  5. Step 5: Solve for x
    x = 396,366,855,399,559,296/704,854,278.33
  6. Step 6: Final answer
    x = 562,338,723.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.